# Freediving Apnea Trainer vs Train.Red APP

The clearest difference is in-app purchases: Train.Red APP at none against Freediving Apnea Trainer's 1. Train.Red APP also leads on ads (none vs shown) and rating (5.0 vs 4.7). Freediving Apnea Trainer's advantage is ratings volume (283 vs 1) and device support (5 vs 3). On price there is nothing between them.

Both are free to download. Freediving Apnea Trainer sells 1 one-off in-app purchase. Train.Red APP asks for nothing beyond the download.

Train.Red APP holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Freediving Apnea Trainer has 283 ratings behind it against 1, so its average is the more settled of the two.

Freediving Apnea Trainer ships an update every 2 months, Train.Red APP every 3 weeks. The most recent releases landed on October 29, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Freediving Apnea Trainer | Train.Red APP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (283 ratings)](https://appshunter.io/ios/app/freediving-apnea-trainer/id1216253186/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/trainred-app/id6451237438/reviews)** |
| Number of ratings | **283** | 1 |
| Positive reviews | 75.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 146 MB | 70 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maksim Pipkin](https://appshunter.io/developer/978829172) | [Train.Red B.V.](https://appshunter.io/developer/1646391181) |

## What reviewers say

### Freediving Apnea Trainer

[App page](https://appshunter.io/ios/app/freediving-apnea-trainer/id1216253186)

This app helps improve breath-holding capabilities for freediving, underwater hunting, and yoga. It calculates personalized training tables based on your maximum breath-hold time and offers various exercises to enhance stamina and control. Track your progress with statistics and charts, and utilize customizable timers with voice and vibration notifications.

**Highlights:** Personalized training table calculation, Customizable square breath timer, Progress tracking with statistics, Bluetooth heart rate monitoring integration, AIDA time notifications, Contraction marking, Voice and vibration alerts

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium Version | $12.99 | one-time |


### Train.Red APP

[App page](https://appshunter.io/ios/app/trainred-app/id6451237438)

This app monitors muscle oxygen saturation to provide real-time physiological insights for athletes and coaches. It helps optimize performance, track recovery, and analyze training data with actionable metrics.

**Highlights:** Muscle oxygen saturation monitoring, Real-time physiological insights, Performance and recovery tracking, Workout analysis and data export, Team/organization structure, Live data overlay

**In-app purchases:** none


## Frequently asked questions

### Is Freediving Apnea Trainer free?

Freediving Apnea Trainer is free to download, with in-app purchases available.

### Is Train.Red APP free?

Train.Red APP is free to download, with no in-app purchases.

### Which has better reviews, Freediving Apnea Trainer or Train.Red APP?

Train.Red APP is rated higher. Freediving Apnea Trainer averages 4.7 out of 5 from 283 ratings, while Train.Red APP averages 5.0 from 1 ratings.

### Do Freediving Apnea Trainer or Train.Red APP have ads?

Freediving Apnea Trainer shows ads; Train.Red APP does not.

### Which is updated more often, Freediving Apnea Trainer or Train.Red APP?

Freediving Apnea Trainer ships an update every 2 months, and Train.Red APP every 3 weeks. Most recently, Freediving Apnea Trainer was updated on October 29, 2026 and Train.Red APP on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*